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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 3:36 pm CST Dec 17, 2025 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of rain on Tonight 100% chance of rain on Thursday Sunny on Friday Partly Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday
Low: 46 °F High: 34 °F High: 32°F High: 47°F High: 37°F High: 42°F High: 50°F High: 47°F
Low: 15°F Low: 33 °F Low: 20°F Low: 25°F Low: 34°F Low: 31°F  
Rain Rain Sunny Partly Sunny Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
GALESBURG - (KGBG)
39°
Clear
as of 3:35 PM CST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
37°
Clear
as of 3:35 PM CST
Rel. Humidity: 80%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
39°
Clear
as of 3:35 PM CST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
7 MPH
140° Southeast
Cloud Level(s): Clear
60% chance of rain Tonight Tonight... Showers likely, mainly after 5am. Increasing clouds, with a temperature rising to around 46 by 5am. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain Thursday Thursday... Showers, mainly before noon. Temperature falling to around 34 by 5pm. Breezy, with a south southwest wind 16 to 24 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

30% chance of snow Thursday Night Thursday Night... A chance of snow showers before midnight, then a chance of flurries between midnight and 3am. Mostly cloudy, with a low around 15. Wind chill values between -1 and 9. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

Sunny on Friday Friday... Sunny, with a high near 32. Wind chill values between zero and 10. West northwest wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a temperature rising to around 33 by 4am. South wind 9 to 15 mph, with gusts as high as 26 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 47. South wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.

Sunny on Sunday Sunday... Sunny, with a high near 37.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 25.

Partly Sunny on Monday Monday... Partly sunny, with a high near 42.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 50.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 47.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:19 AM
Sunset: 4:34 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:13 PM
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